XML 102 R69.htm IDEA: XBRL DOCUMENT v2.4.1.9
Borrowings (Narrative Federal Home Loan Bank Advances) (Details) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]    
Federal Home Loan Bank advances $ 385,992,000us-gaap_AdvancesFromFederalHomeLoanBanks $ 406,297,000us-gaap_AdvancesFromFederalHomeLoanBanks
Federal Home Loan Bank of Boston [Member]    
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]    
Federal Home Loan Bank advances 385,992,000us-gaap_AdvancesFromFederalHomeLoanBanks
/ us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis
= us-gaap_FederalHomeLoanBankOfBostonMember		 406,300,000us-gaap_AdvancesFromFederalHomeLoanBanks
/ us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis
= us-gaap_FederalHomeLoanBankOfBostonMember
Unused line of credit with FHLB 40,000,000us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds
/ us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis
= us-gaap_FederalHomeLoanBankOfBostonMember		 40,000,000us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds
/ us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis
= us-gaap_FederalHomeLoanBankOfBostonMember
Unused line of credit with FHLB $ 613,700,000us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
/ us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis
= us-gaap_FederalHomeLoanBankOfBostonMember		 $ 569,400,000us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
/ us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis
= us-gaap_FederalHomeLoanBankOfBostonMember